# NTSB Accident LAX99LA221
> **Cessna 172M** · 1999-06-21 · SAN DIEGO, CA, USA · SERS
## Event
- **NTSB number:** LAX99LA221
- **Event ID:** 20001212X19032
- **Type:** Accident
- **Date:** 1999-06-21
- **Location:** SAN DIEGO, CA, USA
- **Coordinates:** 32.709594, -117.159042
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Cessna
- **Model:** 172M
- **Registration:** N61560
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

The mechanic's improper installation of nonapproved automotive electrical system parts, and his failure to ensure that all electrical connections were secure during the reinstallation, which resulted in the failure of the electrical system.  The pilot's becoming lost and disoriented during the subsequent attempt to find an airport on the dark night flight was a factor.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA221) · AI Analytics · CC0 1.0*